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Green more than brown food resources drive the effect of simulated climate change on Collembola: A soil transplantation experiment in Northeast China

文献类型： 外文期刊

作者： Chang, Liang 1 ; Sun, Xin 1 ; Wang, Baifeng 3 ; Gao, Meixiang 4 ; Chen, Lei 5 ; Liang, Aizhen 1 ; Wu, Donghui 1 ;

作者机构： 1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun 130012, Peoples R China

2.Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, 1799 Jimei Rd, Xiamen 361021, Peoples R China

3.Jilin Acad Agr Sci, Agrobiotechnol Res Inst, Changchun 130033, Peoples R China

4.Ningbo Univ, Dept Geog & Spatial Informat Tech, Ningbo 315211, Peoples R China

5.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm, Minist Educ, Chengdu, Peoples R China

6.Texas Tech Univ, Dept Biol Sci, Lubbock, TX 79409 USA

7.Northeast Normal Univ, Sch Environm, Key Lab Vegetat Ecol, Minist Educ, Changchun 130117, Peoples R China

关键词： Bottom-up; Soil transplantation; Collembola; Structural equation modeling; Food resources

期刊名称：GEODERMA （ 影响因子：6.114； 五年影响因子：6.183 ）

ISSN： 0016-7061

年卷期： 2021 年 392 卷

页码：

收录情况： SCI

摘要： Bottom-up or resource control is one of the most important aspects that determine the effects of climate change on soil fauna. It remains unclear whether the response of soil fauna to climate change is detritus-based or producer-based resource driven. Soil transplantation, from Heilongjiang to Jilin and Liaoning provinces, was used to simulate the effects of climate change on Collembola through different green or brown food resource treatments, which were represented by soybean cultivation (hereafter SC), land abandonment (LA), and vegetation removal (VR). The results showed that soil southwestward transplantation to warmer region, Jilin and Liaoning, significantly increased density and biomass of Collembola in plant growth but not withered period. Structural equation modeling and redundancy analysis showed increasing food resources, such as plant biomass, microbial biomass, and soil organic carbon, during the warm or higher food-quality treatments directly increase the density and biomass of Collembola. Soil southwestward transplantation to warmer region, Jilin and Liaoning, significantly increase the density of Collembola in SC and LA. VR buffered the effect of soil transplantation on Collembola. It was concluded that the effects of soil transplantation on Collembola mainly occurred through the green but not brown food resource pathways.

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